Skip to property details
📷 1 / 13
Key Biscayne For Sale SINGLE FAMILY RESIDENCE

238 Buttonwood Dr, Key Biscayne FL 33149

238 Buttonwood Dr, Key Biscayne FL 33149

$8,500,000 ≈ ₿128.37

MLS A12021891 · 61 days on market

6

Beds

6.5

Baths

4,190

SQUARE FEET

Single Family Residence

Type

2026

Built

Listing courtesy of

Douglas Elliman

Fernanda Moreno

MLS® #A12021891

Listing information last updated May 21, 2026

MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with Douglas Elliman — and every agent and broker in Miami — to get the deal done.

Overview

This single family residence in Key Biscayne has 6 bedrooms and 6.5 bathrooms across 4,190 square feet, and is listed for sale at $8,500,000 (about $2,029 per square foot). Built in 2026.

A unique architectural masterpiece in the heart of Key Biscayne, this brand-new contemporary residence by Praxis Architecture blends modern tropical luxury with exceptional craftsmanship and bespoke European finishes. Set on an oversized 9,000 SF lot, the residence offers 6 bedrooms, 6 full bathrooms, 1 half bath, and over 4,190 SF of curated living space designed around natural light, privacy, and seamless indoor-outdoor living.
Imported Spanish porcelain and ceramic surfaces, Italian-engineered wood flooring, Portuguese interior doors, and refined finishes sourced from the United Kingdom create a warm and sophisticated architectural atmosphere throughout. Custom millwork — including the kitchen, bar, wardrobes, and integrated TV units — was exclusively crafted by a French maison specializing in ultra-luxury bespoke cabinetry.
The residence highly designed kitchen is equipped with Wolf, Sub-Zero, and Miele appliances, smart-home automation, and integrated security. Outdoor spaces feature a spectacular 36-foot swimming pool, expansive terraces, summer kitchen, lush private garden patio, and multiple entertaining areas designed for effortless resort-style living.
Located moments from tennis courts and the Key Biscayne Yacht Club, beaches, marinas, top-rated schools, and the best of island living, this residence represents one of Key Biscayne’s most thoughtfully designed brand new-construction homes – Expected to be finished in July 2026. Easy to Show!

Listing history

Listed for sale

May 21, 2026 · MIAMI MLS

$8,500,000

Days on market

as of today

61 days

Building & financials

FROM MIAMI MLS

The carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.

Annual property tax (2025)

$12,000

Association type

None

Pets

Allowed (verify restrictions)

FEMA flood zone

AE

Dues, taxes, and association data per MIAMI MLS and public records; flood zone from FEMA NFHL. Verify with the HOA, county, and your insurer during due diligence.

Property details

MLS #A12021891
Price$8,500,000
Size4,190 Square Feet
Bedrooms6
Bathrooms6.5
Garage2
Year built2026
TypeSingle Family Residence
StatusFor Sale
Price / Square Feet$2,029
Flood zoneAE

Features & amenities

Built-in Features
Built-In Grill
Closet Cabinetry
Den/Library/Office
Dishwasher
Dryer
Electric Range
Entrance Foyer
First Floor Entry
Fruit Trees
Has a View
Has Cooling System
Has Garage
Has Heating System
Microwave
New Construction
Open Balcony
Pantry
Refrigerator
Trash Compactor
Utility Room/Laundry
Walk-In Closet(s)
Washer

Location

238 Buttonwood Dr, Key Biscayne FL 33149

Estimate your payment

$

Est. monthly payment

per month

Principal & interest
Property tax (est.)
Down (20%)
Ask about real rates →

Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.

Questions, answered

How many bedrooms does this property have?

This Key Biscayne single family residence has 6 bedrooms.

How many bathrooms does this property have?

This Key Biscayne single family residence has 6.5 bathrooms.

What is the square footage?

This Key Biscayne single family residence offers 4,190 square feet of living space.

When was this property built?

This Key Biscayne single family residence was built in 2026.

How many parking spaces are included?

This Key Biscayne single family residence includes 2 parking spaces.

What is the view from this property?

The view from this Key Biscayne single family residence is Garden.

Are pets allowed?

Pet policy for this Key Biscayne single family residence: Yes.

What are the annual property taxes?

Annual property taxes for this Key Biscayne single family residence are approximately $12,000, per the latest tax record.

How long has this property been on the market?

This Key Biscayne single family residence has been on the market for 16 days.

Ask about this home

Questions on price, building, or financing? Send a note — we reply fast.

Book a private showing

Schedule a tour of 238 Buttonwood Dr, Key Biscayne FL 33149

Schedule a Tour

Tour Type

By submitting you agree to be contacted about this property. MCR agents are REALTORS® · Equal Housing Opportunity. We never advertise a "free" buyer's agent — we'll explain compensation up front.

$8,500,000

238 Buttonwood Dr, Key Biscayne FL 33149

Key Biscayne · 6 bd · 6.5 ba · 4,190 Square Feet

Share this home

Text it, email it, post it — a branded card travels with every link.

Message Email WhatsApp Facebook X LinkedIn

More like this

Other homes near Key Biscayne

Thinking of selling?

Own a home in Key Biscayne?

Get a no-obligation MCR estimate and see how your block has trended this year.

What's my home worth →

Own a rental?

List, screen, and lease with MCR.

Applicant screening, leases, and rent collection — managed end to end by a Miami brokerage.

List your rental →

Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 61 days on market.

We do not advertise a “free” buyer’s agent; buyer-representation compensation is disclosed in writing. Bitcoin pricing is indicative and updates with the market — not financial, tax, or legal advice. Buyer to independently verify all measurements, assessments, and flood & insurance facts.

$8,500,000

6 bd · 6.5 ba · 4,190 Square Feet

Tour →

Compare listings

Compare

Sign In

Register

Reset Password

Please enter your username or email address, you will receive a link to create a new password via email.